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• How to disable "sender non-delivery notification" in postfix?

  - by David MZ

  I want postfix to stop sending non-delivery notifications to my local account, here is example from my log 17:47:08 A727B62C6F61: message-id=<20121124174708.A727B62C6F61@mail.***********> 17:47:08 F151362C6F5F: sender non-delivery notification: A727B62C6F61 17:47:08 A727B62C6F61: from=<>, size=4676, nrcpt=1 (queue active) 17:47:08 F151362C6F5F: removed 17:47:08 warning: dict_nis_init: NIS domain name not set - NIS lookups disabled 17:47:08 A727B62C6F61: to=<**********>, relay=local, delay=0.01, delays=0/0.01/0/0, ... How can I configure this in my main.cf?

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• Outlook 2003: authentication before sending doesn’t work (probably command sequence problem)

  - by Fuxi

  hi, i'm having problems with outlook 2003 + smtp authentication. although it's set in outlook, my mailserver won't relay - which means, outlook is trying to mail BEFORE authenticating. i've tried the same with thunderbird, auth + sending works without problems. so it definately must be something in outlook and it's command-sequence - what could be wrong? thx

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• Postfix not delivering email using Maildir

  - by Greg K

  I've followed this guide to get postfix set up. I've not completed it yet, as from sending test emails, email is no longer being delivered since switching to Maildir from mbox. I have created a Maildir directory with cur, new and tmp sub directories. ~$ ll drwxrwxr-x 5 greg greg 4096 2012-07-07 16:40 Maildir/ ~$ ll Maildir/ drwxrwxr-x 2 greg greg 4096 2012-07-07 16:40 cur drwxrwxr-x 2 greg greg 4096 2012-07-07 16:40 new drwxrwxr-x 2 greg greg 4096 2012-07-07 16:40 tmp Send a test email. ~$ netcat mail.example.com 25 220 ubuntu ESMTP Postfix (Ubuntu) ehlo example.com 250-ubuntu 250-PIPELINING 250-SIZE 10240000 250-VRFY 250-ETRN 250-STARTTLS 250-ENHANCEDSTATUSCODES 250-8BITMIME 250 DSN mail from: [email protected] 250 2.1.0 Ok rcpt to: [email protected] 250 2.1.5 Ok data 354 End data with <CR><LF>.<CR><LF> Subject: test email Hi, Just testing. . 250 2.0.0 Ok: queued as 56B541EA53 quit 221 2.0.0 Bye Check the mail queue. ~$ mailq Mail queue is empty Check if mail has been delivered. ~$ ls -l Maildir/new total 0 Some postfix settings: ~$ sudo postconf home_mailbox home_mailbox = Maildir/ ~$ sudo postconf mailbox_command mailbox_command = /var/log/mail.log Jul 7 16:57:33 li305-246 postfix/smtpd[21039]: connect from example.com[178.79.168.xxx] Jul 7 16:58:14 li305-246 postfix/smtpd[21039]: 56B541EA53: client=example.com[178.79.168.xxx] Jul 7 16:58:33 li305-246 postfix/cleanup[21042]: 56B541EA53: message-id=<20120707155814.56B541EA53@ubuntu> Jul 7 16:58:33 li305-246 postfix/qmgr[20882]: 56B541EA53: from=<[email protected]>, size=321, nrcpt=1 (queue active) Jul 7 16:58:33 li305-246 postfix/smtp[21043]: 56B541EA53: to=<[email protected]>, relay=none, delay=30, delays=30/0.01/0/0, dsn=5.4.6, status=bounced (mail for example.com loops back to myself) Jul 7 16:58:33 li305-246 postfix/cleanup[21042]: 1F68B1EA55: message-id=<20120707155833.1F68B1EA55@ubuntu> Jul 7 16:58:33 li305-246 postfix/bounce[21044]: 56B541EA53: sender non-delivery notification: 1F68B1EA55 Jul 7 16:58:33 li305-246 postfix/qmgr[20882]: 1F68B1EA55: from=<>, size=1999, nrcpt=1 (queue active) Jul 7 16:58:33 li305-246 postfix/qmgr[20882]: 56B541EA53: removed Jul 7 16:58:33 li305-246 postfix/smtp[21043]: 1F68B1EA55: to=<[email protected]>, relay=none, delay=0, delays=0/0/0/0, dsn=5.4.6, status=bounced (mail for example.com loops back to myself) Jul 7 16:58:33 li305-246 postfix/qmgr[20882]: 1F68B1EA55: removed Jul 7 16:58:36 li305-246 postfix/smtpd[21039]: disconnect from domain.me[178.79.168.xxx] Jul 7 17:10:38 li305-246 postfix/master[20878]: terminating on signal 15 Jul 7 17:10:39 li305-246 postfix/master[21254]: daemon started -- version 2.8.5, configuration /etc/postfix Any ideas?

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• Trying to setup postfix

  - by Frexuz

  I used this guide: http://jonsview.com/how-to-setup-email-services-on-ubuntu-using-postfix-tlssasl-and-dovecot telnet localhost 25 says 220 episodecalendar.com ESMTP Postfix (Ubuntu) ehlo localhost 250-episodecalendar.com 250-PIPELINING 250-SIZE 10240000 250-VRFY 250-ETRN 250-STARTTLS 250-AUTH LOGIN PLAIN 250-AUTH=LOGIN PLAIN 250-ENHANCEDSTATUSCODES 250-8BITMIME 250 DSN Installation seems fine? /var/log/mail.log says Nov 26 14:04:06 ubuntu postfix/pickup[12107]: A742E2B9E1: uid=0 from=<root> Nov 26 14:04:06 ubuntu postfix/cleanup[12114]: A742E2B9E1: message-id=<[email protected]> Nov 26 14:04:06 ubuntu postfix/qmgr[12108]: A742E2B9E1: from=<[email protected]>, size=300, nrcpt=1 (queue active) Nov 26 14:04:06 ubuntu postfix/local[12115]: A742E2B9E1: to=<[email protected]>, relay=local, delay=3.3, delays=3.3/0/0/$ Nov 26 14:04:06 ubuntu postfix/cleanup[12114]: AD2662B9E0: message-id=<[email protected]> Nov 26 14:04:06 ubuntu postfix/qmgr[12108]: AD2662B9E0: from=<>, size=2087, nrcpt=1 (queue active) Nov 26 14:04:06 ubuntu postfix/bounce[12117]: A742E2B9E1: sender non-delivery notification: AD2662B9E0 Nov 26 14:04:06 ubuntu postfix/local[12115]: AD2662B9E0: to=<[email protected]>, relay=local, delay=0.02, delays=0.01/0/0/0$ Nov 26 14:04:06 ubuntu postfix/qmgr[12108]: AD2662B9E0: removed Nov 26 14:04:06 ubuntu postfix/qmgr[12108]: A742E2B9E1: removed I'm not really understanding the log file, and obviously I'm not getting any emails. Right now I'm running Ubuntu on a Virtualbox (development box). Is that a problem? The internet connection works fine on it. What about domains etc..? edit: /etc/postfix/main.cf # See /usr/share/postfix/main.cf.dist for a commented, more complete version # Debian specific: Specifying a file name will cause the first # line of that file to be used as the name. The Debian default # is /etc/mailname. #myorigin = /etc/mailname smtpd_banner = $myhostname ESMTP $mail_name (Ubuntu) biff = no # appending .domain is the MUA's job. append_dot_mydomain = no # Uncomment the next line to generate "delayed mail" warnings #delay_warning_time = 4h readme_directory = no # TLS parameters smtpd_tls_cert_file = /etc/postfix/ssl/smtpd.crt smtpd_tls_key_file = /etc/postfix/ssl/smtpd.key smtpd_use_tls = yes smtpd_tls_session_cache_database = btree:${data_directory}/smtpd_scache smtp_tls_session_cache_database = btree:${data_directory}/smtp_scache # See /usr/share/doc/postfix/TLS_README.gz in the postfix-doc package for # information on enabling SSL in the smtp client. # See /usr/share/postfix/main.cf.dist for a commented, more complete version # Debian specific: Specifying a file name will cause the first # line of that file to be used as the name. The Debian default # is /etc/mailname. #myorigin = /etc/mailname smtpd_banner = $myhostname ESMTP $mail_name (Ubuntu) biff = no # appending .domain is the MUA's job. append_dot_mydomain = no # Uncomment the next line to generate "delayed mail" warnings #delay_warning_time = 4h readme_directory = no # TLS parameters smtpd_tls_cert_file = /etc/postfix/ssl/smtpd.crt smtpd_tls_key_file = /etc/postfix/ssl/smtpd.key smtpd_use_tls = yes smtpd_tls_session_cache_database = btree:${data_directory}/smtpd_scache smtp_tls_session_cache_database = btree:${data_directory}/smtp_scache # See /usr/share/doc/postfix/TLS_README.gz in the postfix-doc package for # information on enabling SSL in the smtp client.

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• Dovecot, Postfix, Postfixadmin - can't send/receive mail

  - by Jack

  I am setting up a mail server: Dovecot and Postfix with MySQL support and Postfixadmin. Spend literally all day trying to figure it out, but I'm still unable to neither send nor receive any emails. To my knowledge, I have configured everything correctly, so either there is another problem, or my knowledge isn't good enough. Here is what I get when I use "echo test | mail [email protected]:" Jul 11 00:41:07 server postfix/pickup[17999]: 5B0D32AE1B: uid=0 from= Jul 11 00:41:07 server postfix/cleanup[19444]: 5B0D32AE1B: message-id=<[email protected] Jul 11 00:41:07 server postfix/qmgr[18513]: 5B0D32AE1B: from=, size=329, nrcpt=1 (queue active) Jul 11 00:41:12 server postfix/smtp[19448]: 5B0D32AE1B: to=, relay=none, delay=5.3, delays=0.1/0.01/5.2/0, dsn=4.4.3, status=deferred (Host or domain name not found. Name service error for name=dsa.com type=MX: Host not found, try again) *@mail.asd.com is changed for privacy reasons, same goes for [email protected]. *The bold text is where it, for some reason, prints out dsa.com - even though I haven't found it anywhere in the files which I've edited during the installation, nor my DNS is .com in the first place. Here is what I get when I try to send out an email from Postfix Admin interface: Jul 11 00:49:08 server postfix/smtpd[19479]: connect from localhost[127.0.0.1] Jul 11 00:49:08 server postfix/trivial-rewrite[19484]: warning: do not list domain asd.com in BOTH mydestination and virtual_mailbox_domains Jul 11 00:49:08 server postfix/smtpd[19479]: 4F7892AE1E: client=localhost[127.0.0.1] Jul 11 00:49:08 server postfix/cleanup[19487]: 4F7892AE1E: message-id=<[email protected] Jul 11 00:49:08 server postfix/qmgr[18513]: 4F7892AE1E: from=, size=317, nrcpt=1 (queue active) Jul 11 00:49:08 server postfix/smtpd[19479]: disconnect from localhost[127.0.0.1] Jul 11 00:49:10 server postfix/smtpd[19492]: connect from localhost[127.0.0.1] Jul 11 00:49:10 server postfix/trivial-rewrite[19484]: warning: do not list domain asd.com in BOTH mydestination and virtual_mailbox_domains Jul 11 00:49:10 server postfix/smtpd[19492]: 743AE2AE1F: client=localhost[127.0.0.1] Jul 11 00:49:10 server postfix/cleanup[19487]: 743AE2AE1F: message-id=<[email protected] Jul 11 00:49:10 server postfix/qmgr[18513]: 743AE2AE1F: from=, size=772, nrcpt=1 (queue active) Jul 11 00:49:10 server postfix/smtpd[19492]: disconnect from localhost[127.0.0.1] Jul 11 00:49:10 server amavis[13437]: (13437-11) Passed CLEAN, LOCAL [127.0.0.1] - , Message-ID: <[email protected], mail_id: 86+KQY93ANel, Hits: -0.002, size: 317, queued_as: 743AE2AE1F, 2145 ms Jul 11 00:49:10 server postfix/smtp[19489]: 4F7892AE1E: to=, relay=127.0.0.1[127.0.0.1]:10024, delay=2.3, delays=0.17/0.01/0/2.1, dsn=2.0.0, status=sent (250 2.0.0 from MTA([127.0.0.1]:10025): 250 2.0.0 Ok: queued as 743AE2AE1F) Jul 11 00:49:10 server postfix/qmgr[18513]: 4F7892AE1E: removed I really don't know what might be the problem... If you need to know something, feel free to ask and I'll clarify something.

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• MySQL Master-Master replication generating thousands of log files

  - by Andrew

  Today, I checked the /var/lib/mysql/ directory of a server in a master-master replication setup and noticed there were about 3,600 slave-relay.00xxxx files in there (where "xxxx" is an incrementing integer). They appear to be binary log files and don't take up much space (only about 42K), but are they an indication that something is wrong? They range in date from August until today with about 25 per day. Thanks for any help.

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• Instant Messenger proxy with web-based, searchable chat logs and mobile support

  - by zpinter

  Does anybody here know of a decent setup for having multiple computers and devices (iPhone/Android) logged into the same IM accounts (yahoo, gtalk, AIM) with consolidated web-based chat logs? I've tried/thought of a few approaches: IRC w/ IRSSI and bitlbee (was nice, but not a great solution for phones and chat logs were painful) Google Talk (would be great if I could just use this, but I need to support Yahoo - perhaps a Jabber relay?) Meebo (can this be used as a proxy?)

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• DNS CNAME - SSL-certificate issue.

  - by Phoibe

  Hey, I have obtained an SSL certificate by Thawte for domain.com Now my infrastructure changed due to heavy load I have mx.domain.com as SMTP relay storage.domain.com as Mail-Storage and domain.com pointing at Web-Server Every server is hosted on another dedicated/virtual server with individual IP. I do not want to put the Web-Server on the Mail-Storage for security reasons but I do want to use my SSL-Certificate for the Mail-Storage(POP3S/IMAPS). Is that possible or how do I solve that issue?

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• SSH connection via USB to iPhone

  - by Albert

  Hi, I want to connect to the SSH server on my jailbreaked iPhone via the USB connection (because that connection is much faster than WLAN) from MacOSX. Right now I am using this: http://novis.jimdo.com/2009/10/18/ssh-relay-aka-iphone-tunnel-version-3/ However, this is really buggy and always breaks when I am transfering a lot of data. Does anyone know a better solution? Preferable one that is free.

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• Alternative SMTP-Proxy

  - by Uwe

  Currently we are using bitdefender for mail servers to scan for spam, viruses and content filtering. We chose bitdefender as it receives all incoming emails and forwards them to our internal windows IIS SMTP-service. Bitdefender is also the protection for our SMTP to not be used as spam relay as it allows certain IPs to send from only. The question is: are there any alternatives to bitdefenser for mailserver?

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• Sendmail smtp-auth issues

  - by SlackO

  I'm running into a problem with Sendmail trying to implement SMTP- auth. I"m running 8.14.5 and have saslauthd running under FreeBSD 7.0-R. I don't believe I have starttls enabled (but I also compiled a version with it and have been testing it too - same problem) - just looking for basic auth, but am wondering if my configuration is not compatible with modern mail clients? I don't think I have any certs set up. It seems an older version of Microsoft Outlook Express works fine with SMTP-auth with no problems, but Outlook 2010 won't work, and neither will Eudora (basic settings to not use encryption and use same uid/pw as pop3 account name) When trying to send mail the server reports: "550 571 Relaying Denied. Proper authentication required." Is there some config that I am missing? Why does it work with Outlook Express but not other e-mail clients? my site.config.m4 has: APPENDDEF(confENVDEF',-DSASL=2') APPENDDEF(conf_sendmail_LIBS',-lsasl2') dnl APPENDDEF(confLIBDIRS',-L/usr/local/lib/sasl2') APPENDDEF(confLIBDIRS',-L/usr/local/lib') APPENDDEF(confINCDIRS',-I/usr/local/include') My sendmail.mc has: define(ConfAUTH_OPTIONS',A') TRUST_AUTH_MECH(LOGIN PLAIN')dnl define(ConfAUTH_MECHANISMS',`LOGIN PLAIN')dnl My /usr/local/lib/sasl2/Sendmail.conf has: pwcheck_method: saslauthd When I restart sendmail this shows up in the logs: Jun 16 12:36:24 x sm-mta[79090]: restarting /usr/sbin/sendmail due to signal Jun 16 12:36:24 x sm-mta[81145]: starting daemon (8.14.5): SMTP+queueing@00:30:00 Jun 16 12:36:24 x sm-mta[81147]: STARTTLS=client, relay=mxgw1.mail.nationalnet.com., version=TLSv1/SSLv3, verify=FAIL, cipher=DHE-RSA-AES256-SHA, bits=256/256 Jun 16 12:36:24 x sm-mta[81148]: STARTTLS=client, relay=mxgw1.mail.nationalnet.com., version=TLSv1/SSLv3, verify=FAIL, cipher=DHE-RSA-AES256-SHA, bits=256/256 testing on the cmd line: telnet localhost 587 Trying 127.0.0.1... Connected to localhost. Escape character is '^]'. 220 xxxt ESMTP Sendmail 8.14.5/8.14.5; Fri, 15 Jun 2012 18:28:03 -0500 (CDT) ehlo localhost 250-xxxx Hello localhost [127.0.0.1], pleased to meet you 250-ENHANCEDSTATUSCODES 250-PIPELINING 250-8BITMIME 250-SIZE 250-DSN 250-AUTH GSSAPI DIGEST-MD5 CRAM-MD5 LOGIN PLAIN 250-DELIVERBY 250 HELP I am not using any certs or ssl right now - just trying to get basic auth to work. Anyone have any ideas?

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• Best tool for Analyzing IIS 7 SMTP Logs

  - by EfficionDave

  We're using IIS 7's SMTP service for sending out emails from our sites. I'm looking for a SMTP Log analyzer to make it easier for me to view the results and identify and problems (Blocks, Unauthorized relay attempts, blacklisting, ...). What is the best tool to use for this?

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• Forwarding all received mail to another server in Exchange 2007

  - by Moo

  Hi, We are moving away from our Exchange environment on a hosted server to one managed in-house, and I was wondering how to have the hosted Exchange forward all email received to the new server - the servers are not on the same network, and both have the same users setup. Basically, I just need the hosted Exchange to act as a dumb relay - accept the mail, send it straight on to our new server without trying to deliver locally. Is this possible? Regards Moo

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• Postfix / Dovecot and Email Retrieval

  - by Eric J.

  I have setup Postfix and Dovecot on an Ubuntu box following the instructions http://www.exratione.com/2012/05/a-mailserver-on-ubuntu-1204-postfix-dovecot-mysql/ I can see that email is being delivered to and accepted by the server, but the email is not available for retrieval via POP3. What could be missing in my configuraton? It seems that email is not being properly handed off to Dovecot. Here are what I believe are the relevant /var/log/mail.log entries for an attempt to send email from another domain (hosted by Gmail) to the domain I have setup: Logged during SMTP connection postfix/smtpd[14689]: connect from mail-vb0-f50.google.com[209.85.212.50] postfix/smtpd[14689]: Anonymous TLS connection established from mail-vb0-f50.google.com[209.85.212.50]: TLSv1 with cipher ECDHE-RSA-RC4-SHA (128/128 bits) postfix/smtpd[14689]: 5782740ACF: client=mail-vb0-f50.google.com[209.85.212.50] postfix/cleanup[14696]: 5782740ACF: message-id=<CAEjmKcjHnTY4yk=3QXoNrD76=04g-s9utPguTFB02Fx53GMPmw@mail.gmail.com> postfix/qmgr[14687]: 5782740ACF: from=<[email protected]>, size=1947, nrcpt=1 (queue active) postfix/smtpd[14702]: connect from mail.destinationdomain.com[127.0.0.1] postfix/smtpd[14702]: 2940A41AA9: client=mail.destinationdomain.com[127.0.0.1] postfix/cleanup[14696]: 2940A41AA9: message-id=<CAEjmKcjHnTY4yk=3QXoNrD76=04g-s9utPguTFB02Fx53GMPmw@mail.gmail.com> postfix/qmgr[14687]: 2940A41AA9: from=<[email protected]>, size=2450, nrcpt=1 (queue active) amavis[21309]: (21309-02) Passed CLEAN, [209.85.212.50] <[email protected]> -> <[email protected]>, Message-ID: <CAEjmKcjHnTY4yk=3QXoNrD76=04g-s9utPguTFB02Fx53GMPmw@mail.gmail.com>, mail_id: W52ZB8FAAA+8, Hits: -0.101, size: 1946, queued_as: 2940A41AA9, [email protected], 784 ms postfix/smtpd[14702]: disconnect from mail.destinationdomain.com[127.0.0.1] postfix/smtp[14698]: 5782740ACF: to=<[email protected]>, relay=127.0.0.1[127.0.0.1]:10024, delay=1.1, delays=0.29/0.01/0/0.79, dsn=2.0.0, status=sent (250 2.0.0 from MTA([127.0.0.1]:10025): 250 2.0.0 Ok: queued as 2940A41AA9) postfix/qmgr[14687]: 5782740ACF: removed dovecot: lda([email protected]): msgid=<CAEjmKcjHnTY4yk=3QXoNrD76=04g-s9utPguTFB02Fx53GMPmw@mail.gmail.com>: saved mail to INBOX postfix/pipe[14703]: 2940A41AA9: to=<[email protected]>, relay=dovecot, delay=0.08, delays=0.02/0.02/0/0.04, dsn=2.0.0, status=sent (delivered via dovecot service) postfix/qmgr[14687]: 2940A41AA9: removed Logged during POP3 retrieval attempts dovecot: pop3-login: Login: user=<[email protected]>, method=PLAIN, rip=209.85.220.135, lip=10.195.83.10, mpid=14706 dovecot: pop3([email protected]): Disconnected: Logged out top=0/0, retr=1/2557, del=1/1, size=2540 postfix/smtpd[14689]: disconnect from mail-vb0-f50.google.com[209.85.212.50] dovecot: pop3-login: Login: user=<[email protected]>, method=PLAIN, rip=209.85.212.31, lip=10.195.83.10, mpid=14708 dovecot: pop3([email protected]): Disconnected: Logged out top=0/0, retr=0/0, del=0/0, size=0

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• VPS host can't send email to Google and Yahoo Mail

  - by mandeler

  Hi, I got a new VPS setup and I'm wondering why I can't send emails to yahoo and gmail. Here's the error in /var/log/maillog: 00:43:00 mylamp sendmail[32507]: o45Gh0nc032505: to=, ctladdr= (48/48), delay=00:00:00, xdelay=00:00:00, mailer=esmtp, pri=120405, relay=alt4.gmail-smtp-in.l.google.com. [74.125.79.27], dsn=4.0.0, stat=Deferred: Connection refused by alt4.gmail-smtp-in.l.google.com What seems to be the problem?

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• How to configure mail server (postfix) on debian 7.0 (Wheety/sid) ubuntu 12.04LTS

  - by shihon

  I am setup postfix on my linode vps using https://help.ubuntu.com/community/Postfix, mail are going to localhost perfectly. Problem is i am configure SASL in postfix ,since i don't have ssl and i can't send any mails to external domains get error "relay access denied". Through google this error i found articles related to SSL, but how can i setup postfix without SSL and send mails to external domain like gmail or yahoomail.

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• Postix transport smtp failover

  - by SimonJGreen

  We have a multi-tenant email relay set up that has a transport map file that looks like this: domain1.com smtp:mail.domain1.com domain2.com smtp:mail.domain2.com domain3.com smtp:mail.domain3.com [etc] In the event mail.domain1.com is down, email for domain1.com will be held by the postfix server until mail.domain1.com starts responding again. However we have a customer who has a backup DSL line on their site, an their email server is also available over this. How can I tell the transport to failover to a different host if the first is unavailable?

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• How should I configure postfix to avoid sent emails bouncing because of "Invalid HELO name"

  - by Vlad Socaciu

  Some mail sent from sites on my server bounce back with the following mail.log message Nov 26 17:27:53 blogu postfix/smtp[16858]: C4DD22908EC0: to=, relay=rejecting-domain.ro[rejecting-ip]:25, delay=2.5, delays=0.1/0/2.3/0.04, dsn=5.0.0, status=bounced (host rejecting-domain.ro[rejecting-ip] said: 550 Access denied - Invalid HELO name (See RFC2821 4.1.1.1) (in reply to MAIL FROM command)) On the receiving end, my emails are logged like this: 2011-11-22 15:09:35 H=static.39.80.4.46.clients.your-server.de (Ubuntu-1004-lucid-64-minimal) [my-server-ip] rejected MAIL : Access denied - Invalid HELO name (See RFC2821 4.1.1.1)

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• Postfix issues sending mail to addresses under domain located on server

  - by iamthewit

  I recently installed virtualmin on my nice shiny new rackspace cloud. Everything went seemlessly but I've been having some issues getting emails to send properly. The problem seems to be that the server can not send mail to email addresses where the domain is owned by my server. For example, on my server I run multiple virtual domains, lets call this one test.com. When I run the mail command from shell (mail [email protected]) I get the following back from my maillog: Oct 6 14:55:18 test postfix/pickup[8737]: DC1131612CC: uid=0 from= Oct 6 14:55:18 test postfix/cleanup[8769]: DC1131612CC: [email protected] Oct 6 14:55:18 test postfix/qmgr[8738]: DC1131612CC: [email protected], size=353, nrcpt=1 (queue active) Oct 6 14:55:18 test postfix/error[8771]: DC1131612CC: [email protected], relay=none, delay=0, delays=0/0/0/0, dsn=5.0.0, status=bounced (User unknown in virtual alias table) Oct 6 14:55:18 test postfix/cleanup[8769]: DD07D1612D1: [email protected] Oct 6 14:55:18 test postfix/bounce[8772]: DC1131612CC: sender non-delivery notification: DD07D1612D1 Oct 6 14:55:18 test postfix/qmgr[8738]: DD07D1612D1: from=<, size=2268, nrcpt=1 (queue active) Oct 6 14:55:18 test postfix/qmgr[8738]: DC1131612CC: removed Oct 6 14:55:18 test postfix/local[8773]: DD07D1612D1: [email protected], relay=local, delay=0.03, delays=0/0/0/0.03, dsn=2.0.0, status=sent (delivered to command: /usr/bin/procmail-wrapper -o -a $DOMAIN -d $LOGNAME) Oct 6 14:55:18 test postfix/qmgr[8738]: DD07D1612D1: removed when I run mail [email protected] the message is sent and received perfectly fine. I'm a bit of a noob when it comes to servers, but I pick things up fairly quickly, so please excuse any incorrect terminology and my general noobiness. Any help would be greatly appreciated, I've been googling for quite a while but I haven't found a solution yet, I'll add a copy of my main.cf file in a response below cheers guys here is the reformatted postconf, do you want the reformatted main.cf file too, or is this enough? alias_database = hash:/etc/postfix/aliases alias_maps = hash:/etc/postfix/aliases broken_sasl_auth_clients = yes command_directory = /usr/sbin config_directory = /etc/postfix daemon_directory = /usr/libexec/postfix debug_peer_level = 2 home_mailbox = Maildir/ html_directory = no mailbox_command = /usr/bin/procmail-wrapper -o -a $DOMAIN -d $LOGNAME mailq_path = /usr/bin/mailq.postfix manpage_directory = /usr/share/man myhostname = server.test.com newaliases_path = /usr/bin/newaliases.postfix readme_directory = /usr/share/doc/postfix-2.3.3/README_FILES sample_directory = /usr/share/doc/postfix-2.3.3/samples sender_bcc_maps = hash:/etc/postfix/bcc sendmail_path = /usr/sbin/sendmail.postfix setgid_group = postdrop smtpd_recipient_restrictions = permit_mynetworks permit_sasl_authenticated reject_unauth_destination smtpd_sasl_auth_enable = yes smtpd_sasl_security_options = noanonymous unknown_local_recipient_reject_code = 550 virtual_alias_maps = hash:/etc/postfix/virtual

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• Postfix: mail going to spam

  - by Yaro

  All emails I send from my new server go to spam in Gmail (and sometimes yahoo). I've never before sent out mass email or spam. What I've already done: Configured reverse DNS Enabled DKIM Verified my IP is not on spam lists Verified I'm not an open relay Here are the headers from the received message: http://pastie.org/pastes/8450781/text?key=onxgrau1xinyqv7ridxrea Really, can't seem to figure out why the mail just doesn't come through. I'd really appreciate your help. Thank you!

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• unknown reciever Esmtp

  - by Morteza Soltanabadiyan

  I found this in my log server: sm-mta[11410]: r9BKb6YY021119: to=<[email protected]>, ctladdr=<[email protected]> (33/33), delay=2+07:24:18, xdelay=00:00:01, mailer=esmtp, pri=29911032, relay=mail1.mkuku.com. [58.22.50.83], dsn=4.0.0, stat=Deferred: Connection refused by mail1.mkuku.com. This message is repeated every 10-30 seconds with a different "to" address. What is this? Is my server being used to send spam?

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• What is the fastest method to restore MySQL replication?

  - by dwhere

  I have a MySQL (5.1) master-slave replication pair and replication to the slave has failed. It failed because the master ran out of disk space and the relay-logs became corrupt. The master is now back online and working properly. Since there is this error in the log the slave process can't simply be restarted. The server has a single 40GB InnoDB database and I would like to know what is the fastest method for getting the slave back in sync to minimize downtime.

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• How to download torrents from the office?

  - by blitzkriegz

  I have torrents blocked in my office. Was wondering whether there are any sites which allow to download torrents to their server so that we can download them via HTTP. If I have my home system running, can I get the files downloaded from my office? EDIT: Can I setup Torrent Relay service in my domain? If so how?

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• Canonical configuration for multiple-instance Postfix?

  - by threecheeseopera

  I recently attempted to reconfigure an existing single-instance Postfix server (multi-homed) to support multiple MTA instances, but failed miserably (read: open relay, nastygram from ISP). It appears that there are several methods that can be used to accomplish this, and the various (and numerous) secondary sources that I found online were 'all over the map' with respect to which they used/glued together. Can anyone provide a working configuration (or tips) that use postmulti to manage a multi-instance Postfix setup?

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• is it possible for a host to maintain a tcp connection with two hosts with the same IP?

  - by wenzi

  I have two hosts A and B and a host(called client here) C C will establish a tcp connection with A, and send http requests to A then A will relay the HTTP requests to B (the relaying may be seconds of delay) and B will spoof its IP address as the IP of A and send http response to C I know there is sequnce number inconsistency problem, but is it possible to trick the TCP protocol to make the connection viable? thanks!

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